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Waveform analysis
R&S
®
MXO 4 Series
185User Manual 1335.5337.02 ─ 05
3. Load a stored reference waveform as described in To load a reference waveform.
Alternatively, select a source to be displayed as a reference:
a) In the "Setup" tab, select "Source".
b) Select the "Source" from the selection list. The list shows all active waveforms
that can be saved as references.
c) Tap the "Create/update" button to update the current reference waveform with
the source data.
4. Tap the "Show" button.
The reference waveform is displayed on the screen.
5. A reference waveform can have its own scaling settings or it can be scaled accord-
ing to the source settings. By default, the scaling of the reference waveform is cou-
pled to the source settings. Also, it can be stretched or compressed in vertical and
horizontal direction.
If necessary, change the settings on the "Vertical" and "Rescale" tabs of the "Refer-
ence Waveform" dialog.
To restore the original settings, tap the "Set to original" in the "Vertical" tab.
For a description of the scaling settings, see Chapter 8.4.2.4, "Reference waveform
rescale", on page 190.
To load a reference waveform
1. Press the [Ref] key.
2. Select the tab for the reference waveform that you want to load ("R1/2/3/4").
3. In the "Setup" tab, select "Recall".
4. Select the file from the file selection dialog box.
5. To load the waveform from the specified file, tap "Open".
The selected waveform is loaded as the specified reference waveform.
8.4.2 Settings for reference waveforms
To compare waveforms and analyze differences between waveforms, you can use up
to four reference waveforms R1 to R4.
Each reference waveform has its own memory on the instrument. You can also save
an unlimited number of reference waveforms and load them for further use.
The display of a reference waveform is independent from the display of the source
waveform; you can move, stretch and compress the curve vertically and horizontally.
8.4.2.1 Reference waveform setup
Access: [Ref] key > "Setup" tab
Reference waveforms
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